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From: Ian Collins <ian-news@hotmail.com>
Newsgroups: comp.lang.c++
Subject: Re: reading from a temp file
Date: Tue, 28 Jun 2011 20:37:32 +1200
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.c++:7195

On 06/28/11 08:34 PM, Ruben Safir wrote:
> any clue why this isn't retrieving the contents of the temp file
>
>
> Question Deck::create_question(WINDOW* menu_win, std::ostream&os ,std::istream&in ){
>
>        char default_editor[20000] = "vi ";
>        char * editor;
>        char tmp[4096];
>        char path[] = "/tmp/fileXXXXXX";

Why don't you use strings?

>        int fd;
>        fd = mkstemp(path);
>        editor = getenv("EDITOR");
>        if (editor == NULL){
> 	 editor  = default_editor;
>        }
>
>        strcat(editor, path);
>        char quest_prompt[] = "Edit Your Question";
> .....
>        std::string input_q, input_a;
>        while( ( c=wgetch(quest_win) ) ){
> 	 if ( (c == 10) ){
> 	    def_prog_mode();
> 	    endwin();

What are these?

> 	    system(editor);
> 	    reset_prog_mode();

and this?

> 	     __gnu_cxx::stdio_filebuf<  char>   tmpfile_buf(fd, std::ios::binary|std::ios::app);

What's one of those?

> 	     std::istream is(&tmpfile_buf);
> 	     is.seekg(0, std::ios::beg);
> 	     while(is){
> 		is.read( tmp, 4096);
> 		std::cerr<<  "What did we read"<<  tmp<<  std::endl;
> 		input_q = tmp;
> 	     }
> 	     tmpfile_buf.close();
> 	     break;
> 	 }
>        }
>        remove(path);
>


-- 
Ian Collins